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This commit is contained in:
David Rose 2000-10-11 17:33:20 +00:00
parent 47c1b73224
commit 61e5654fae
1 changed files with 8 additions and 4 deletions
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12
pandatool/src/pstatserver/pStatThreadData.cxx
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@ -216,16 +216,18 @@ get_frame_rate(double time) const {
nassertr(!_frames.empty(), 0.0);
int now_i = _frames.size() - 1;
while (now_i > 0 && _frames[now_i] == (PStatFrameData *)NULL) {
now_i--;
}
nassertr(now_i >= 0, 0.0);
nassertr(_frames[now_i] != (PStatFrameData *)NULL, 0.0);
double now = _frames[now_i]->get_end();
double then = now - time;
int then_i = now_i;
int last_good_i = now_i;
while (then_i > 0 && _frames[then_i] == (PStatFrameData *)NULL) {
then_i--;
}
while (then_i > 0 && _frames[then_i]->get_start() > then) {
last_good_i = now_i;
then_i--;
@ -233,6 +235,8 @@ get_frame_rate(double time) const {
then_i--;
}
}
nassertr(last_good_i >= 0, 0.0);
nassertr(_frames[last_good_i] != (PStatFrameData *)NULL, 0.0);
int num_frames = now_i - last_good_i + 1;
return (double)num_frames / (now - _frames[last_good_i]->get_start());